How long is the flight from Illinois to Southampton?

A quick flight from Illinois to Southampton can take about 14h 40m. Delta provides one of the quickest options available for as low as £765. Illinois and Southampton are separated by a distance of 3921 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Southampton ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Southampton when rainfall is around 25.0 mm.

If weather is an important factor for your trip to Southampton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from IL to SOU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Southampton as you normally would.

What airport do you fly into for flights to Southampton from Illinois?

Most people fly into Southampton Eastleigh (SOU) if they book a flight to Southampton from Illinois. Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.

Can I find deals for flights from Illinois to Southampton that include hotel bookings?

Yes. In addition to deals on Illinois to Southampton flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Illinois to Southampton?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Southampton.

Can I find deals for business class flights from Illinois to Southampton?

Yes. Cheapflights offers flight deals from Illinois to Southampton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£287+ Cheap Flights from Illinois to Southampton

Cheap flight deals from Illinois to Southampton

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Illinois to Southampton
Explore the most affordable flight options available from Illinois to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Mon 19/1015:45 -

2 stops15h 05m

Mon 26/1012:25 -

1 stop11h 55m

Deal found 3/9£749

Fri 2/1021:00 -

1 stop13h 35m

Mon 19/1009:20 -

1 stop15h 55m

Deal found 30/8£765

Sun 4/1022:25 -

2 stops32h 25m

Wed 21/1009:20 -

1 stop15h 55m

Deal found 30/8£780

Tue 29/916:15 -

1 stop18h 35m

Wed 21/1009:15 -

1 stop11h 15m

Deal found 30/8£788

Tue 29/905:30 -

2 stops21h 15m

Tue 20/1017:20 -

1 stop27h 10m

Deal found 30/8£792

Sun 25/1017:25 -

1 stop18h 25m

Fri 6/1108:40 -

2 stops17h 50m

Deal found 31/8£796

Sun 18/1013:27 -

2 stops13h 08m

Tue 3/1108:40 -

2 stops15h 20m

Deal found 3/9£799

Mon 19/1013:25 -

2 stops13h 10m

Wed 4/1108:40 -

2 stops17h 50m

Deal found 3/9£799

Sat 3/1019:25 -

2 stops35h 00m

Tue 20/1009:15 -

1 stop16h 00m

Deal found 30/8£810

Mon 19/1015:45 -

1 stop21h 45m

Mon 26/1012:25 -

1 stop11h 55m

Deal found 3/9£820

Sat 24/1016:15 -

1 stop11h 40m

Tue 3/1117:35 -

1 stop26h 50m

Deal found 3/9£825

Thu 1/1010:30 -

2 stops16h 05m

Tue 20/1009:05 -

1 stop11h 10m

Deal found 30/8£829

Best flights from Illinois to Southampton
Discover carefully curated flight deals from Illinois to Southampton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.

Tue 2/207:10 -

2 stops19h 00m

Wed 10/217:30 -

1 stop26h 55m

Deal found 31/8£759

Sun 31/111:30 -

2 stops14h 40m

Thu 11/208:40 -

2 stops15h 30m

Deal found 30/8£765

Wed 6/118:10 -

2 stops16h 50m

Wed 13/117:30 -

1 stop26h 55m

Deal found 31/8£759

Mon 4/116:25 -

1 stop18h 35m

Mon 11/117:30 -

2 stops33h 07m

Deal found 31/8£763

Sun 25/1017:25 -

1 stop18h 25m

Tue 3/1117:20 -

1 stop27h 05m

Deal found 31/8£788

Wed 28/1017:25 -

1 stop18h 25m

Tue 3/1117:20 -

1 stop27h 05m

Deal found 31/8£788

Thu 7/116:25 -

1 stop18h 35m

Tue 12/117:30 -

1 stop26h 55m

Deal found 31/8£793

Mon 26/1017:25 -

1 stop18h 25m

Mon 2/1108:40 -

2 stops37h 52m

Deal found 31/8£796

Sun 18/1013:27 -

2 stops13h 08m

Tue 3/1108:40 -

2 stops15h 20m

Deal found 3/9£799

Mon 26/1013:27 -

2 stops13h 43m

Tue 3/1108:40 -

2 stops15h 20m

Deal found 31/8£799

Mon 19/1009:29 -

2 stops17h 06m

Tue 3/1108:40 -

2 stops15h 20m

Deal found 3/9£799

Tue 27/1013:27 -

2 stops13h 43m

Tue 3/1108:40 -

2 stops15h 20m

Deal found 31/8£799

Tue 20/1018:44 -

2 stops16h 06m

Tue 3/1108:40 -

2 stops15h 20m

Deal found 3/9£799

Sun 25/1006:04 -

2 stops21h 06m

Tue 3/1108:40 -

2 stops15h 20m

Deal found 31/8£799

Wed 28/1017:25 -

1 stop18h 25m

Sun 1/1109:30 -

1 stop10h 55m

Deal found 31/8£825

Sat 24/1016:15 -

1 stop11h 40m

Tue 3/1117:20 -

1 stop27h 05m

Deal found 31/8£825

Sat 24/1016:15 -

1 stop11h 40m

Mon 2/1108:40 -

2 stops37h 52m

Deal found 31/8£833

Sun 18/1013:27 -

2 stops13h 08m

Sat 7/1109:25 -

2 stops14h 35m

Deal found 3/9£836

Tue 24/1109:30 -

2 stops16h 40m

Mon 30/1117:30 -

2 stops30h 31m

Deal found 2/9£841

Mon 23/1109:30 -

2 stops16h 40m

Mon 30/1117:30 -

2 stops30h 31m

Deal found 2/9£841

Sat 24/1016:15 -

1 stop11h 40m

Fri 6/1117:35 -

1 stop26h 50m

Deal found 3/9£862

Tue 15/909:59 -

2 stops16h 46m

Thu 24/909:05 -

2 stops15h 14m

Deal found 1/9£914

Mon 14/919:13 -

2 stops15h 37m

Tue 22/909:05 -

2 stops15h 14m

Deal found 1/9£914

Mon 14/919:13 -

2 stops15h 37m

Wed 23/909:15 -

2 stops15h 04m

Deal found 1/9£914

Find flight deals from Illinois to Southampton

Round-trip from	£722
One-way from	£287
Popular in	June
Cheapest in	February
Average price	£634

Aer Lingus
31/1-9/2
3 total stops
48h 10m total
Illinois to Southampton

Search Deals

8/10-31/12
3 total stops
34h 20m total
Illinois to Southampton

Search Deals

Highest demand for flights based on searches. 23% potential increase in price (£142 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£28 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoSouthampton

ORD Chicago O'Hare Intl - SOU Southampton Eastleigh

ORDSOU

Chicago O'Hare Intl

Thu 8/10

19:25-11:45

3 stops34h 20m

Southampton Eastleigh

Wed 31/12

00:00-17:00

Nonstop0h 00m

£287

ChicagoSouthampton

ORD Chicago O'Hare Intl - SOU Southampton Eastleigh

ORDSOU

Chicago O'Hare Intl

Wed 21/10

16:50-16:50

1 stop18h 00m

Southampton Eastleigh

Wed 31/12

00:00-17:00

Nonstop0h 00m

£395

ChicagoSouthampton

ORD Chicago O'Hare Intl - SOU Southampton Eastleigh

ORDSOU

Chicago O'Hare Intl

Mon 19/10

16:50-16:50

1 stop18h 00m

Southampton Eastleigh

Wed 31/12

00:00-17:00

Nonstop0h 00m

£395

ChicagoSouthampton

ORD Chicago O'Hare Intl - SOU Southampton Eastleigh

ORDSOU

Chicago O'Hare Intl

Sun 18/10

05:27-16:50

2 stops29h 23m

Southampton Eastleigh

Wed 31/12

00:00-17:00

Nonstop0h 00m

£398

ChicagoSouthampton

MDW Chicago Midway - SOU Southampton Eastleigh

MDWSOU

Chicago Midway

Sun 25/10

06:04-08:10

2 stops21h 06m

Southampton Eastleigh

Wed 31/12

00:00-17:00

Nonstop0h 00m

£398

ChicagoSouthampton

MDW Chicago Midway - SOU Southampton Eastleigh

MDWSOU

Chicago Midway

Tue 20/10

12:49-08:45

2 stops13h 56m

Southampton Eastleigh

Wed 31/12

00:00-17:00

Nonstop0h 00m

£398

ChicagoSouthampton

MDW Chicago Midway - SOU Southampton Eastleigh

MDWSOU

Chicago Midway

Sat 24/10

18:44-09:10

2 stops32h 26m

Southampton Eastleigh

Wed 31/12

00:00-17:00

Nonstop0h 00m

£407

Fastest return journey

ChicagoSouthampton

ORD Chicago O'Hare Intl - SOU Southampton Eastleigh

ORDSOU

Chicago O'Hare Intl

Thu 22/10

16:15-08:35

1 stop10h 20m

Southampton Eastleigh

Wed 31/12

00:00-17:00

Nonstop0h 00m

£432

ChicagoSouthampton

ORD Chicago O'Hare Intl - SOU Southampton Eastleigh

ORDSOU

Chicago O'Hare Intl

Sat 24/10

16:15-09:55

1 stop11h 40m

Southampton Eastleigh

Wed 31/12

00:00-17:00

Nonstop0h 00m

£432

ChicagoSouthampton

MDW Chicago Midway - SOU Southampton Eastleigh

MDWSOU

Chicago Midway

Thu 8/10

10:12-16:50

2 stops24h 38m

Southampton Eastleigh

Wed 31/12

00:00-17:00

Nonstop0h 00m

£435

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Showing 1-10 of 38 resultsSorted by cheapest first

Best time to book a flight from Illinois to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from Illinois with our price prediction graph.

ORD-SOU

MDW-SOU

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Southampton

USIL-SOU

ORD-SOU

MDW-SOU

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Southampton from Illinois?
Most people fly into Southampton Eastleigh (SOU) if they book a flight to Southampton from Illinois. Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.
How long is the flight from Illinois to Southampton?
A quick flight from Illinois to Southampton can take about 14h 40m. Delta provides one of the quickest options available for as low as £765. Illinois and Southampton are separated by a distance of 3921 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from Illinois to Southampton that include hotel bookings?
Yes. In addition to deals on Illinois to Southampton flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Illinois to Southampton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Southampton.
Can I find deals for business class flights from Illinois to Southampton?
Yes. Cheapflights offers flight deals from Illinois to Southampton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois to Southampton

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San Francisco to London City flights

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How does Cheapflights help users find flights from Illinois to Southampton?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Southampton from Illinois today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Illinois to Southampton?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Southampton from Illinois.

Can Cheapflights find flights from Illinois to Southampton with no change fees?

Need flexible booking options for your flight to Southampton from Illinois? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Illinois to Southampton become cheaper?

Yes, Cheapflights offers price alerts on Illinois to Southampton flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Illinois to Southampton from £287

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Illinois to Southampton

Cheapest flights from Illinois to SouthamptonExplore the most affordable flight options available from Illinois to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Explore the most affordable flight options available from Illinois to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Best flights from Illinois to SouthamptonDiscover carefully curated flight deals from Illinois to Southampton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.

Discover carefully curated flight deals from Illinois to Southampton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.

Last-minute flights from Illinois to SouthamptonDiscover last-minute flight deals from Illinois to Southampton. Data last updated 4 September 2026 and is based on user searches.

Discover last-minute flight deals from Illinois to Southampton. Data last updated 4 September 2026 and is based on user searches.

One-way flights from Illinois to SouthamptonSearch for one-way flight options from Illinois to Southampton. Find affordable one-way fares based on user searches. Data last updated 4 September 2026.

Search for one-way flight options from Illinois to Southampton. Find affordable one-way fares based on user searches. Data last updated 4 September 2026.

Find flight deals from Illinois to Southampton

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Best time to book a flight from Illinois to Southampton

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Related info for your journey

What airport do you fly into for flights to Southampton from Illinois?

How long is the flight from Illinois to Southampton?

Can I find deals for flights from Illinois to Southampton that include hotel bookings?

How can I find direct flights from Illinois to Southampton?

Can I find deals for business class flights from Illinois to Southampton?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois to Southampton

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Complete your trip

Complete your trip to Southampton by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Illinois to Southampton by cabin class

Find flights from Illinois to Southampton, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Illinois and Southampton flights

Browse other Illinois and Southampton flight options. Last updated on 4 September 2026.

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Cheapest flights from Illinois to Southampton
Explore the most affordable flight options available from Illinois to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Best flights from Illinois to Southampton
Discover carefully curated flight deals from Illinois to Southampton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.

Last-minute flights from Illinois to Southampton
Discover last-minute flight deals from Illinois to Southampton. Data last updated 4 September 2026 and is based on user searches.

One-way flights from Illinois to Southampton
Search for one-way flight options from Illinois to Southampton. Find affordable one-way fares based on user searches. Data last updated 4 September 2026.